{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Young CD - 1 mice , 4 days old , exposed to 0 . 1 % nicotine sulfate on gestational days 6 - 20 were compared with untreated pups of the same age to determine its effect on the development of mandibular first molars ."}
{"GENE": []}